diff --git a/README.md b/README.md
index f792cc2..a1e36d2 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![Coverage Status](https://coveralls.io/repos/github/deepstreamIO/deepstream.io-cache-memcached/badge.svg?branch=master)](https://coveralls.io/github/deepstreamIO/deepstream.io-cache-memcached?branch=master)
 [![npm](https://img.shields.io/npm/v/deepstream.io-cache-memcached.svg)](https://www.npmjs.com/package/deepstream.io-cache-memcached)
 [![Dependency Status](https://david-dm.org/deepstreamIO/deepstream.io-cache-memcached.svg)](https://david-dm.org/deepstreamIO/deepstream.io-cache-memcached)
-[![devDependency Status](https://david-dm.org/deepstreamIO/deepstream.io-cache-memcached/dev-status.svg)](https://david-dm.org/deepstreamIO/deepstream.io-cache-memcached#info=devDependencies) 
+[![devDependency Status](https://david-dm.org/deepstreamIO/deepstream.io-cache-memcached/dev-status.svg)](https://david-dm.org/deepstreamIO/deepstream.io-cache-memcached#info=devDependencies) [![Greenkeeper badge](https://badges.greenkeeper.io/deepstreamIO/deepstream.io-cache-memcached.svg)](https://greenkeeper.io/) 
 
 A [deepstream.io](http://deepstream.io/) cache connector for [memcached](http://memcached.org/)
 
diff --git a/package.json b/package.json
index 52707ab..4132a03 100644
--- a/package.json
+++ b/package.json
@@ -23,9 +23,9 @@
     "memcached": "2.2.2"
   },
   "devDependencies": {
-    "chai": "^3.5.0",
-    "coveralls": "^2.11.16",
+    "chai": "^4.2.0",
+    "coveralls": "^3.0.3",
     "istanbul": "^0.4.5",
-    "mocha": "^3.2.0"
+    "mocha": "^6.1.0"
   }
 }